Unity 8
PinLockscreen.qml
1 /*
2  * Copyright (C) 2013 Canonical, Ltd.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; version 3.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  */
16 
17 import QtQuick 2.0
18 import Ubuntu.Components 0.1
19 import Ubuntu.Components.ListItems 0.1
20 import "../Components"
21 
22 Column {
23  id: root
24  y: units.gu(4)
25  spacing: units.gu(2)
26 
27  property string infoText
28  property string retryText
29  property string errorText
30  property int padWidth: units.gu(34)
31  property int padHeight: units.gu(28)
32  property int minPinLength: -1
33  property int maxPinLength: -1
34  property bool showCancelButton: true
35 
36  readonly property string passphrase: pinentryField.text
37 
38  signal entered(string passphrase)
39  signal cancel()
40 
41  property bool entryEnabled: true
42 
43  function clear(showAnimation) {
44  pinentryField.text = "";
45  if (showAnimation) {
46  pinentryField.incorrectOverride = true;
47  wrongPasswordAnimation.start();
48  }
49  }
50 
51  Column {
52  id: shakeContainer
53  anchors.horizontalCenter: parent.horizontalCenter
54  width: parent.width
55  spacing: units.gu(1)
56 
57  Label {
58  id: infoField
59  objectName: "infoTextLabel"
60  fontSize: "large"
61  color: "#f3f3e7"
62  anchors.horizontalCenter: parent.horizontalCenter
63  text: root.infoText
64  }
65 
66  Item {
67  id: pinContainer
68  anchors { left: parent.left; right: parent.right; margins: units.gu(2) }
69  height: units.gu(4)
70 
71  Row {
72  id: pinentryField
73  objectName: "pinentryField"
74  anchors.horizontalCenter: parent.horizontalCenter
75  anchors.verticalCenter: parent.verticalCenter
76  spacing: Math.max(0, Math.min(units.gu(3), (parent.width / root.maxPinLength) - units.gu(3)))
77 
78  property string text
79  property bool incorrectOverride: false
80 
81  Repeater {
82  model: pinentryField.text.length
83  delegate: Rectangle {
84  color: "#f3f3e7"
85  width: Math.min(units.gu(2), (pinContainer.width - pinContainer.height*2 ) / (root.maxPinLength >= 0 ? root.maxPinLength : 16))
86  height: width
87  radius: width / 2
88  }
89  }
90 
91  function appendNumber(number) {
92  if (incorrectOverride) {
93  incorrectOverride = false;
94  }
95 
96  pinentryField.text = pinentryField.text + number
97 
98  if (root.minPinLength > 0 && root.maxPinLength > 0
99  && root.minPinLength == root.maxPinLength && pinentryField.text.length == root.minPinLength) {
100  root.entered(pinentryField.text)
101  }
102  }
103 
104  function backspace() {
105  pinentryField.text = pinentryField.text.substring(0, pinentryField.text.length-1)
106  }
107  }
108  Label {
109  id: wrongNoticeLabel
110  objectName: "wrongNoticeLabel"
111  fontSize: "x-large"
112  color: "#f3f3e7"
113  anchors.horizontalCenter: parent.horizontalCenter
114  horizontalAlignment: Text.AlignHCenter
115  text: root.errorText
116  visible: pinentryField.incorrectOverride
117  scale: Math.min(1, parent.width / width)
118  }
119 
120  AbstractButton {
121  objectName: "backspaceIcon"
122  anchors { right: parent.right; top: parent.top; bottom: parent.bottom }
123  width: height
124  enabled: root.entryEnabled
125 
126  Icon {
127  anchors.fill: parent
128  name: "erase"
129  color: "#f3f3e7"
130  }
131 
132  opacity: (pinentryField.text.length > 0 && !pinentryField.incorrectOverride) ? 1 : 0
133 
134  Behavior on opacity {
135  UbuntuNumberAnimation {}
136  }
137 
138  onClicked: pinentryField.backspace()
139  }
140  }
141 
142  Label {
143  objectName: "retryLabel"
144  fontSize: "x-small"
145  color: "#f3f3e7"
146  anchors.horizontalCenter: parent.horizontalCenter
147  text: root.retryText || " "
148  }
149  }
150 
151  ThinDivider {
152  anchors { left: parent.left; right: parent.right; margins: units.gu(2) }
153  }
154 
155  Grid {
156  id: numbersGrid
157  anchors { horizontalCenter: parent.horizontalCenter }
158  columns: 3
159 
160  property int buttonHeight: units.gu(8)
161  property int buttonWidth: units.gu(12)
162 
163  Repeater {
164  model: 9
165 
166  PinPadButton {
167  objectName: "pinPadButton" + text
168  text: index + 1
169  height: numbersGrid.buttonHeight
170  width: numbersGrid.buttonWidth
171  enabled: root.entryEnabled && (root.maxPinLength == -1 ||
172  pinentryField.text.length < root.maxPinLength ||
173  pinentryField.incorrectOverride)
174 
175  onClicked: {
176  pinentryField.appendNumber(index + 1)
177  }
178  }
179  }
180  Item {
181  height: numbersGrid.buttonHeight
182  width: numbersGrid.buttonWidth
183  }
184  PinPadButton {
185  text: "0"
186  height: numbersGrid.buttonHeight
187  width: numbersGrid.buttonWidth
188  enabled: root.entryEnabled && (root.maxPinLength == -1 ||
189  pinentryField.text.length < root.maxPinLength ||
190  pinentryField.incorrectOverride)
191 
192  onClicked: {
193  pinentryField.appendNumber(0)
194  }
195  }
196  Item {
197  height: numbersGrid.buttonHeight
198  width: numbersGrid.buttonWidth
199  }
200  PinPadButton {
201  iconName: "close"
202  height: units.gu(5) // visual spec has this row a little closer in
203  width: numbersGrid.buttonWidth
204 
205  onClicked: root.cancel()
206  visible: root.showCancelButton
207  }
208  Item {
209  height: units.gu(5)
210  width: numbersGrid.buttonWidth
211  }
212  PinPadButton {
213  iconName: "tick"
214  objectName: "confirmButton"
215  height: units.gu(5)
216  width: numbersGrid.buttonWidth
217  enabled: root.enabled && pinentryField.text.length >= root.minPinLength
218  visible: root.minPinLength == -1 || root.minPinLength !== root.maxPinLength
219 
220  onClicked: root.entered(pinentryField.text)
221  }
222  }
223  WrongPasswordAnimation {
224  id: wrongPasswordAnimation
225  objectName: "wrongPasswordAnimation"
226  target: shakeContainer
227  }
228 }